libpng 1.2/1.4 png_convert_to_rfc1123 information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in libpng 1.2/1.4 (Image Processing Software). It has been rated as problematic. This issue affects the function png_convert_to_rfc1123. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality.

The weakness was released 10/26/2015 as confirmed mailinglist post (oss-sec). The advisory is shared at The identification of this vulnerability is CVE-2015-7981 since 10/26/2015. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 86907 (Debian DLA-343-1 : libpng security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 296003 (Solaris 11.3 Support Repository Update (SRU) 10.5.0 Missing).

Upgrading to version 1.6 eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (107740), Tenable (86907), SecurityFocus (BID 77304†) and Vulnerability Center (SBV-56358†). is providing further details.






CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
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Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

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Nessus ID: 86907
Nessus Name: Debian DLA-343-1 : libpng security update
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OpenVAS ID: 703399
OpenVAS Name: Debian Security Advisory DSA 3399-1 (libpng - security update)
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Threat Intelligenceinfo

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Recommended: Upgrade
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Upgrade: libpng 1.6


10/25/2015 🔍
10/25/2015 +0 days 🔍
10/26/2015 +0 days 🔍
10/26/2015 +0 days 🔍
11/03/2015 +8 days 🔍
11/16/2015 +13 days 🔍
11/17/2015 +1 days 🔍
11/24/2015 +6 days 🔍
02/02/2016 +70 days 🔍
06/26/2022 +2335 days 🔍


Advisory: RHSA-2016:1430
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-7981 (🔍)

X-Force: 107740 - libpng png_convert_to_rfc1123 information disclosure
SecurityFocus: 77304 - libpng 'png_convert_to_rfc1123()' Function Out Of Bounds Read Memory Corruption Vulnerability
SecurityTracker: 1034393
Vulnerability Center: 56358 - Libpng Remote Information Disclosure in png_convert_to_rfc1123 Function via Crafted tIME Chunk Data in an Image File, Medium

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Created: 11/03/2015 09:43 AM
Updated: 06/26/2022 08:15 AM
Changes: 11/03/2015 09:43 AM (71), 07/23/2018 07:46 AM (10), 06/26/2022 08:11 AM (5), 06/26/2022 08:15 AM (1)
Complete: 🔍
Cache ID: 35:755:40


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